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301.03.0002 Air Dryer Valve, Brake System

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301.03.0002 Air Dryer Valve for Mercedes-Benz

301.03.0002

Summary

High-strength Air Dryer Valve designed for heavy commercial vehicle brake systems. This unit features a 24 V heater, M22x1.5 ports, and is compatible with Mercedes-Benz vehicles to ensure reliable air processing in demanding conditions. Equivalent to OE Knorr-Bremse II19212 and Mercedes-Benz 0014315215.

Product identifiers
EAN Code8699031079653
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Compatible OEM Codes

  • KNORR-BREMSE
    • LA 8201
    • II19212N50
    • II19212AT
    • II19212
  • MERCEDES BENZ
    • 001 431 52 15

Description

What does an air dryer valve do?

This air dryer valve plays a critical role in the pneumatic brake system of heavy commercial vehicles by managing moisture and contaminants. By regulating air flow and ensuring clean air reaches the braking components, this valve helps prevent corrosion and extends the service life of the entire pneumatic circuit.

Vehicle compatibility and application

This component is compatible with Mercedes-Benz vehicles and meets high-performance standards for heavy-duty operation. It is designed to function reliably within complex air management systems to maintain consistent pressure levels.

Technical specifications and maintenance

The unit is engineered with specific port configurations, including M22x1.5 and M16x1.5 VOSS connections, and features a 24 V heater to prevent freezing in cold climates. Technicians should ensure all port connections are tightened to specification and check the 10 BAR operating pressure during routine inspections.

Selection guidance

Consult your authorized distributor for precise fitment verification regarding your specific vehicle configuration.

OE cross-reference

301.03.0002 (Air Dryer Valve Air Dryer Valves) is the equivalent of the Knorr-Bremse and Mercedes-Benz OE numbers. This part directly replaces Knorr-Bremse OE numbers II19212, II19212AT, II19212N50, LA8201. It also replaces Mercedes-Benz OE number 0014315215.

Technical Specifications

Technical Specifications
Heater24 V
Port 1M22x1,5
Port 21M22x1,5 VOSS
Pressure10 BAR
Port 22M16x1,5 VOSS
Port 4/23M12x1,5 VOSS

Other OEMs

KNORR-BREMSE

  • LA8201
  • LA 8201
  • II19212N50
  • II19212AT
  • II19212

MERCEDES BENZ

  • A0014315215
  • 0014315215
  • 001.431.5215
  • 001.431.52.15
  • 001 4315215
  • 001 431 5215
  • 001 431 52 15

Related Products

Repair Kits

Compatible Vehicles

Compatible Vehicles
BrandModelModel TypeEngine
KNORR-BREMSE
MERCEDES BENZ

FAQ

What is the function of this air dryer valve?
It regulates the airflow within the pneumatic brake system, helping to remove moisture and contaminants from the compressed air to protect downstream components.
Is this part compatible with Mercedes-Benz vehicles?
Yes, this specific valve is designed to be compatible with Mercedes-Benz heavy commercial vehicle systems.
What are the technical port specifications?
The unit features M22x1.5, M16x1.5 VOSS, and M12x1.5 VOSS port configurations, operating at a pressure of 10 BAR.
Does this valve include a heater?
Yes, this model is equipped with a 24 V heater to ensure reliable operation in freezing temperatures.
What are the OE reference numbers of this part?
301.03.0002 directly replaces Knorr-Bremse OE numbers II19212, II19212AT, II19212N50, LA8201. It also replaces Mercedes-Benz OE number 0014315215.